/*
 Streaming.h - Arduino library for supporting the << streaming operator
 Copyright (c) 2009 Mikal Hart.  All rights reserved.

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef ARDUINO_STREAMING
#define ARDUINO_STREAMING

#include "WProgram.h"

#define STREAMING_LIBRARY_VERSION 2

// Generic template
template<class T>
inline Print &operator <<(Print &stream, const T arg) {
  stream.print(arg);
  return stream;
}

struct _BASED {
  long val;
  int base;
  _BASED(long v, int b) :
    val(v), base(b) {
  }
};

#define _HEX(a)     _BASED(a, HEX)
#define _DEC(a)     _BASED(a, DEC)
#define _OCT(a)     _BASED(a, OCT)
#define _BIN(a)     _BASED(a, BIN)
#define _BYTE(a)    _BASED(a, BYTE)

// Specialization for class _BASED
// Thanks to Arduino forum user Ben Combee who suggested this
// clever technique to allow for expressions like
//   Serial << _HEX(a);

inline Print &operator <<(Print &obj, const _BASED &arg) {
  obj.print(arg.val, arg.base);
  return obj;
}

// Specialization for enum _EndLineCode
// Thanks to Arduino forum user Paul V. who suggested this
// clever technique to allow for expressions like
//   Serial << "Hello!" << endl;

enum _EndLineCode {
  endl
};

inline Print &operator <<(Print &obj, _EndLineCode arg) {
  obj.println();
  return obj;
}

#endif
